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Let (M × N) Denote a Matrix of Size M

Question 21

Multiple Choice

Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.
-(4 × 4) (4 × 4)

A) 4 × 4
B) 8 × 4
C) not defined
D) 4 × 8

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